package Collection;

import java.util.*;

/**  集合排序  point对象  */
public class SortPoint {
    public static void main(String[] args) {
        List<Point> list = new ArrayList<>();
        list.add(new Point(1, 2));
        list.add(new Point(2, 3));
        list.add(new Point(3, 4));
        list.add(new Point(4, 5));
        list.add(new Point(5, 6));
        list.add(new Point(6, 7));
        System.out.println("list原始数据:" + list);

        list.sort(new Comparator<Point>() {
            @Override
            public int compare(Point o1, Point o2) {
                return o1.getX()-o2.getY();
            }
        });
        System.out.println("list排序后数据:"+list);


/*
        Collections.sort(list, new Comparator<Point>() {
            @Override
            public int compare(Point o1, Point o2) {
                int len1=o1.getX()*o1.getX()+o1.getY()*o1.getY();
                int len2=o2.getY()*o2.getY()+o2.getY()*o2.getY();
                return len2-len1;
            }
        });
        System.out.println("list排序后数据:"+list);

 */
    }
}
